diff options
| -rw-r--r-- | drivers/infiniband/core/uverbs.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/core/uverbs_main.c | 18 | ||||
| -rw-r--r-- | include/rdma/uverbs_ioctl.h | 12 | ||||
| -rw-r--r-- | include/rdma/uverbs_std_types.h | 14 |
4 files changed, 45 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index 64d494a64daf..0f6f768f687e 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -100,6 +100,7 @@ struct ib_uverbs_device { struct mutex lists_mutex; /* protect lists */ struct list_head uverbs_file_list; struct list_head uverbs_events_file_list; + struct uverbs_root_spec *specs_root; }; struct ib_uverbs_event_queue { diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index defeda33e27f..872fec910c16 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -49,6 +49,7 @@ #include <linux/uaccess.h> #include <rdma/ib.h> +#include <rdma/uverbs_std_types.h> #include "uverbs.h" #include "core_priv.h" @@ -1097,6 +1098,18 @@ static void ib_uverbs_add_one(struct ib_device *device) if (device_create_file(uverbs_dev->dev, &dev_attr_abi_version)) goto err_class; + if (!device->specs_root) { + const struct uverbs_object_tree_def *default_root[] = { + uverbs_default_get_objects()}; + + uverbs_dev->specs_root = uverbs_alloc_spec_tree(1, + default_root); + if (IS_ERR(uverbs_dev->specs_root)) + goto err_class; + + device->specs_root = uverbs_dev->specs_root; + } + ib_set_client_data(device, &uverbs_client, uverbs_dev); return; @@ -1228,6 +1241,11 @@ static void ib_uverbs_remove_one(struct ib_device *device, void *client_data) ib_uverbs_comp_dev(uverbs_dev); if (wait_clients) wait_for_completion(&uverbs_dev->comp); + if (uverbs_dev->specs_root) { + uverbs_free_spec_tree(uverbs_dev->specs_root); + device->specs_root = NULL; + } + kobject_put(&uverbs_dev->kobj); } diff --git a/include/rdma/uverbs_ioctl.h b/include/rdma/uverbs_ioctl.h index 759afa0621ea..6da44079aa58 100644 --- a/include/rdma/uverbs_ioctl.h +++ b/include/rdma/uverbs_ioctl.h @@ -419,8 +419,20 @@ static inline int _uverbs_copy_from(void *to, size_t to_size, * An object without any methods is considered invalid and will abort the * function with -ENOENT error. */ +#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS) struct uverbs_root_spec *uverbs_alloc_spec_tree(unsigned int num_trees, const struct uverbs_object_tree_def **trees); void uverbs_free_spec_tree(struct uverbs_root_spec *root); +#else +static inline struct uverbs_root_spec *uverbs_alloc_spec_tree(unsigned int num_trees, + const struct uverbs_object_tree_def **trees) +{ + return NULL; +} + +static inline void uverbs_free_spec_tree(struct uverbs_root_spec *root) +{ +} +#endif #endif diff --git a/include/rdma/uverbs_std_types.h b/include/rdma/uverbs_std_types.h index 400efe2a4d3c..5f8e20bbd67c 100644 --- a/include/rdma/uverbs_std_types.h +++ b/include/rdma/uverbs_std_types.h @@ -34,8 +34,10 @@ #define _UVERBS_STD_TYPES__ #include <rdma/uverbs_types.h> +#include <rdma/uverbs_ioctl.h> #include <rdma/ib_user_ioctl_verbs.h> +#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS) extern const struct uverbs_object_def uverbs_object_comp_channel; extern const struct uverbs_object_def uverbs_object_cq; extern const struct uverbs_object_def uverbs_object_qp; @@ -50,6 +52,18 @@ extern const struct uverbs_object_def uverbs_object_pd; extern const struct uverbs_object_def uverbs_object_xrcd; extern const struct uverbs_object_def uverbs_object_device; +extern const struct uverbs_object_tree_def uverbs_default_objects; +static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void) +{ + return &uverbs_default_objects; +} +#else +static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void) +{ + return NULL; +} +#endif + static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type, bool write, struct ib_ucontext *ucontext, |